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Articles, tools, and commentary on carbon removal and climate solutions.


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03-17-2021

Insights from analyzing a new round of carbon removal projects

We analyzed project proposals submitted for Microsoft's 2021 Carbon Removal Purchase. Explore our updated database of project reports or read the article for our takeaways and lessons learned.
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02-01-2021

DAC cost calculator

Our interactive tool helps explore the cost of direct air capture (DAC) coupled to stand alone energy sources. Try the tool, or read the article to learn more about the model.
01-14-2021

CDR Primer

A new resource on the fundamentals of carbon dioxide removal and its role in addressing the climate crisis. Our team helped write, edit, and produce this free, online digital book.
01-05-2021

Letter to Taskforce on Scaling Voluntary Carbon Markets

A coordinated effort to standardize and scale today's voluntary offsets market is underway. We submitted a joint letter with Carbon Direct and the Berkeley Carbon Trading Project detailing how the Taskforce is ignoring the problem of poor quality rampant in today's market. That problem needs to be addressed first.
12-09-2020

Permanence calculator

Our interactive tool helps compare the long-term cost of temporary and permanent carbon removal. Try the tool, or read the article to learn about the methods and implications.
09-17-2020

Carbon offsets burning

Fire poses a key risk to the permanence of forest carbon. We analyzed a large fire during the 2020 fire season and analyzed its impact on a forest carbon offset project.
07-24-2020

Carbon removal mechanisms

Carbon removal is confusing because there are many approaches, and all affect the carbon cycle in different ways. In this article we develop and explain a typology for comparing approaches.
06-23-2020

Climate-driven risks to forest carbon

Team members contributed to a review paper on physical risks to forest carbon, like fire, drought, and insects, and why that matters for thinking about the role of forests in climate change mitigation.
06-01-2020

Getting soil carbon right

There are good reasons to be excited about soil carbon sequestration, but rigorous quantification remains a challenge. We analyzed a carbon offset protocol and wrote multiple letters raising concerns related to program design and scientific integrity.
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